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Photo: Richard Wood, CC BY-SA 3.0 via Wikimedia Commons
The San Andreas Fault Line is highly visible here at this ridge and runs under Lake San Andreas, which serves as an important water supply for many Bay Area residents and is quite attractive, especially when viewed from the top of Sweeney Ridge (just over 1000 ft. ASL), which borders the gorgeous coastal city of Pacifica.
Sweeney Ridge, is a 1,200-acre (5 km2) hilly hiking area of ridges and ravines between San Bruno and Pacifica, California, about a 25-minute drive south from San Francisco. The ridge's 1,200-foot-high summit, covered with coastal scrub and grassland, slopes down to San Francisco Bay on the east and to the Pacific Ocean on the west. The ridge is part of the Golden Gate National Recreation Area. Historically, the ridge is the location of the San Francisco Bay Discovery Site, commemorating the Portolá expedition's first sighting of San Francisco Bay on November 4, 1769.
© OpenStreetMap contributors
This compact, hilly park is a fresh slice of heaven and offers great hiking coupled with clear views of the San Francisco Bay and San Francisco International Airport. It is located just southwest of San Bruno City Hall adjacent to San Bruno City Park and highway I-280, which also shares the name Junipero Serra.